<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>第一个css效果</title>
</head>
<body>
    <!-- 
        css语法： 
        样式名1:样式值1;
        样式名2:样式值2;

        font-size:10px
    -->

    <font style="font-size: 50px;color: blue;">hello css</font>
</body>
</html>